BEIJING (Reuters) – China saw levels of two common air pollutants improve modestly in the first half of 2015, environmental group Greenpeace East Asia said on Wednesday.
Average levels of PM2.5 – particulate matter with a diameter of 2.5 micrometers that can penetrate deep into the lungs – fell 16 percent in the first six months from a year ago, the group said, adding that sulfur dioxide...